42901555023 has 48 divisors (see below), whose sum is σ = 65033901504. Its totient is φ = 27201208320.

The previous prime is 42901555003. The next prime is 42901555049. The reversal of 42901555023 is 32055510924.

It is a happy number.

42901555023 is a `hidden beast` number, since 4 + 2 + 90 + 15 + 550 + 2 + 3 = 666.

It is not a de Polignac number, because 42901555023 - 2⁹ = 42901554511 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42901555003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41530515 + ... + 41531547.

It is an arithmetic number, because the mean of its divisors is an integer number (1354872948).

Almost surely, 2^42901555023 is an apocalyptic number.

42901555023 is a deficient number, since it is larger than the sum of its proper divisors (22132346481).

42901555023 is a wasteful number, since it uses less digits than its factorization.

42901555023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016 (or 2013 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 42901555023 in words is "forty-two billion, nine hundred one million, five hundred fifty-five thousand, twenty-three".