23345521351530 has 64 divisors (see below), whose sum is σ = 64090147587840. Its totient is φ = 5331392699904.

The previous prime is 23345521351517. The next prime is 23345521351553. The reversal of 23345521351530 is 3515312554332.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48996369 + ... + 49470548.

It is an arithmetic number, because the mean of its divisors is an integer number (1001408556060).

Almost surely, 2^{23345521351530} is an apocalyptic number.

23345521351530 is an abundant number, since it is smaller than the sum of its proper divisors (40744626236310).

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

23345521351530 is a wasteful number, since it uses less digits than its factorization.

23345521351530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98468063.

The product of its (nonzero) digits is 810000, while the sum is 42.

The spelling of 23345521351530 in words is "twenty-three trillion, three hundred forty-five billion, five hundred twenty-one million, three hundred fifty-one thousand, five hundred thirty".