23203561436 has 24 divisors (see below), whose sum is σ = 44302177920. Its totient is φ = 10546009200.

The previous prime is 23203561429. The next prime is 23203561441. The reversal of 23203561436 is 63416530232.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 23203561396 and 23203561405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559505 + ... + 599543.

It is an arithmetic number, because the mean of its divisors is an integer number (1845924080).

Almost surely, 2^23203561436 is an apocalyptic number.

It is an amenable number.

23203561436 is a deficient number, since it is larger than the sum of its proper divisors (21098616484).

23203561436 is a wasteful number, since it uses less digits than its factorization.

23203561436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53225 (or 53223 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

The spelling of 23203561436 in words is "twenty-three billion, two hundred three million, five hundred sixty-one thousand, four hundred thirty-six".