23476721522 has 4 divisors (see below), whose sum is σ = 35215082286. Its totient is φ = 11738360760.

The previous prime is 23476721501. The next prime is 23476721531. The reversal of 23476721522 is 22512767432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15557323441 + 7919398081 = 124729^2 + 88991^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23476721522.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5869180379 + ... + 5869180382.

Almost surely, 2^23476721522 is an apocalyptic number.

23476721522 is a deficient number, since it is larger than the sum of its proper divisors (11738360764).

23476721522 is a wasteful number, since it uses less digits than its factorization.

23476721522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11738360763.

The product of its digits is 282240, while the sum is 41.

The spelling of 23476721522 in words is "twenty-three billion, four hundred seventy-six million, seven hundred twenty-one thousand, five hundred twenty-two".