23350021451240 has 128 divisors (see below), whose sum is σ = 58655868923520. Its totient is φ = 8292138086400.

The previous prime is 23350021451231. The next prime is 23350021451249. The reversal of 23350021451240 is 4215412005332.

It is an interprime number because it is at equal distance from previous prime (23350021451231) and next prime (23350021451249).

It is a junction number, because it is equal to n+sod(n) for n = 23350021451197 and 23350021451206.

It is not an unprimeable number, because it can be changed into a prime (23350021451249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123282692 + ... + 123471948.

It is an arithmetic number, because the mean of its divisors is an integer number (458248975965).

Almost surely, 2^{23350021451240} is an apocalyptic number.

23350021451240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23350021451240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29327934461760).

23350021451240 is an abundant number, since it is smaller than the sum of its proper divisors (35305847472280).

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

23350021451240 is a wasteful number, since it uses less digits than its factorization.

23350021451240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195843 (or 195839 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 23350021451240 its reverse (4215412005332), we get a palindrome (27565433456572).

The spelling of 23350021451240 in words is "twenty-three trillion, three hundred fifty billion, twenty-one million, four hundred fifty-one thousand, two hundred forty".