23142030402420 has 72 divisors (see below), whose sum is σ = 70197887620224. Its totient is φ = 6171173347008.

The previous prime is 23142030402389. The next prime is 23142030402427. The reversal of 23142030402420 is 2420403024132.

23142030402420 is a `hidden beast` number, since 2 + 3 + 14 + 203 + 0 + 402 + 42 + 0 = 666.

It is a super-2 number, since 2×23142030402420² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23142030402427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55897417 + ... + 56309903.

It is an arithmetic number, because the mean of its divisors is an integer number (974970661392).

Almost surely, 2^{23142030402420} is an apocalyptic number.

23142030402420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23142030402420 is an abundant number, since it is smaller than the sum of its proper divisors (47055857217804).

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

23142030402420 is a wasteful number, since it uses less digits than its factorization.

23142030402420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724189 (or 724184 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 23142030402420 its reverse (2420403024132), we get a palindrome (25562433426552).

The spelling of 23142030402420 in words is "twenty-three trillion, one hundred forty-two billion, thirty million, four hundred two thousand, four hundred twenty".