23430413401520 has 20 divisors (see below), whose sum is σ = 54475711158720. Its totient is φ = 9372165360576.

The previous prime is 23430413401511. The next prime is 23430413401529. The reversal of 23430413401520 is 2510431403432.

23430413401520 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (23430413401511) and next prime (23430413401529).

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×23430413401520² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23430413401529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146440083680 + ... + 146440083839.

It is an arithmetic number, because the mean of its divisors is an integer number (2723785557936).

Almost surely, 2^{23430413401520} is an apocalyptic number.

23430413401520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23430413401520 is an abundant number, since it is smaller than the sum of its proper divisors (31045297757200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23430413401520 is a wasteful number, since it uses less digits than its factorization.

23430413401520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292880167532 (or 292880167526 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 23430413401520 its reverse (2510431403432), we get a palindrome (25940844804952).

The spelling of 23430413401520 in words is "twenty-three trillion, four hundred thirty billion, four hundred thirteen million, four hundred one thousand, five hundred twenty".