20231535345 has 32 divisors (see below), whose sum is σ = 37027114752. Its totient is φ = 9240625152.

The previous prime is 20231535329. The next prime is 20231535371. The reversal of 20231535345 is 54353513202.

It is not a de Polignac number, because 20231535345 - 2⁴ = 20231535329 is a prime.

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, 37509 + ... + 204621.

It is an arithmetic number, because the mean of its divisors is an integer number (1157097336).

Almost surely, 2^20231535345 is an apocalyptic number.

It is an amenable number.

20231535345 is a deficient number, since it is larger than the sum of its proper divisors (16795579407).

20231535345 is a wasteful number, since it uses less digits than its factorization.

20231535345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168281.

The product of its (nonzero) digits is 54000, while the sum is 33.

The spelling of 20231535345 in words is "twenty billion, two hundred thirty-one million, five hundred thirty-five thousand, three hundred forty-five".