23213547352503 has 12 divisors (see below), whose sum is σ = 33530747230968. Its totient is φ = 15475666978800.

The previous prime is 23213547352459. The next prime is 23213547352559. The reversal of 23213547352503 is 30525374531232.

23213547352503 is a `hidden beast` number, since 2 + 3 + 2 + 1 + 3 + 54 + 73 + 525 + 0 + 3 = 666.

It is not a de Polignac number, because 23213547352503 - 2⁹ = 23213547351991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23213547350503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2658801 + ... + 7314117.

It is an arithmetic number, because the mean of its divisors is an integer number (2794228935914).

Almost surely, 2^{23213547352503} is an apocalyptic number.

23213547352503 is a deficient number, since it is larger than the sum of its proper divisors (10317199878465).

23213547352503 is a wasteful number, since it uses less digits than its factorization.

23213547352503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5209374 (or 5209371 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 45.

The spelling of 23213547352503 in words is "twenty-three trillion, two hundred thirteen billion, five hundred forty-seven million, three hundred fifty-two thousand, five hundred three".