23445370613502 has 48 divisors (see below), whose sum is σ = 52721141513040. Its totient is φ = 7521057847296.

The previous prime is 23445370613477. The next prime is 23445370613551. The reversal of 23445370613502 is 20531607354432.

It is a happy number.

23445370613502 is a `hidden beast` number, since 2 + 3 + 4 + 4 + 537 + 0 + 61 + 3 + 50 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72990403 + ... + 73310910.

It is an arithmetic number, because the mean of its divisors is an integer number (1098357114855).

Almost surely, 2^{23445370613502} is an apocalyptic number.

23445370613502 is an abundant number, since it is smaller than the sum of its proper divisors (29275770899538).

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

23445370613502 is a wasteful number, since it uses less digits than its factorization.

23445370613502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146301657 (or 146301654 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 45.

Adding to 23445370613502 its reverse (20531607354432), we get a palindrome (43976977967934).

The spelling of 23445370613502 in words is "twenty-three trillion, four hundred forty-five billion, three hundred seventy million, six hundred thirteen thousand, five hundred two".