213013123023 has 16 divisors (see below), whose sum is σ = 287082012672. Its totient is φ = 140484708000.

The previous prime is 213013122991. The next prime is 213013123033. The reversal of 213013123023 is 320321310312.

It is not a de Polignac number, because 213013123023 - 2⁵ = 213013122991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213013123033) 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, 923223 + ... + 1130648.

It is an arithmetic number, because the mean of its divisors is an integer number (17942625792).

Almost surely, 2^213013123023 is an apocalyptic number.

213013123023 is a deficient number, since it is larger than the sum of its proper divisors (74068889649).

213013123023 is a wasteful number, since it uses less digits than its factorization.

213013123023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054246.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 213013123023 its reverse (320321310312), we get a palindrome (533334433335).

The spelling of 213013123023 in words is "two hundred thirteen billion, thirteen million, one hundred twenty-three thousand, twenty-three".