84531010023 has 16 divisors (see below), whose sum is σ = 125235785440. Its totient is φ = 56351909952.

The previous prime is 84531010009. The next prime is 84531010133. The reversal of 84531010023 is 32001013548.

It is a happy number.

84531010023 is a `hidden beast` number, since 8 + 4 + 531 + 0 + 100 + 23 = 666.

It is not a de Polignac number, because 84531010023 - 2¹⁰ = 84531008999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84531010423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1098765 + ... + 1173177.

It is an arithmetic number, because the mean of its divisors is an integer number (7827236590).

Almost surely, 2^84531010023 is an apocalyptic number.

84531010023 is a deficient number, since it is larger than the sum of its proper divisors (40704775417).

84531010023 is a wasteful number, since it uses less digits than its factorization.

84531010023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116495 (or 116489 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The spelling of 84531010023 in words is "eighty-four billion, five hundred thirty-one million, ten thousand, twenty-three".