10542544623 has 48 divisors (see below), whose sum is σ = 16743767040. Its totient is φ = 6352414272.

The previous prime is 10542544613. The next prime is 10542544627. The reversal of 10542544623 is 32644524501.

10542544623 is a `hidden beast` number, since 1 + 0 + 5 + 4 + 25 + 4 + 4 + 623 = 666.

It is not a de Polignac number, because 10542544623 - 2⁵ = 10542544591 is a prime.

It is a super-2 number, since 2×10542544623² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10542544627) 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, 1812586 + ... + 1818392.

It is an arithmetic number, because the mean of its divisors is an integer number (348828480).

Almost surely, 2^10542544623 is an apocalyptic number.

10542544623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10542544623 is a deficient number, since it is larger than the sum of its proper divisors (6201222417).

10542544623 is a wasteful number, since it uses less digits than its factorization.

10542544623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6148 (or 6145 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 10542544623 in words is "ten billion, five hundred forty-two million, five hundred forty-four thousand, six hundred twenty-three".