213727623142 has 64 divisors (see below), whose sum is σ = 388100160000. Its totient is φ = 87076154880.

The previous prime is 213727623127. The next prime is 213727623143. The reversal of 213727623142 is 241326727312.

It is a junction number, because it is equal to n+sod(n) for n = 213727623095 and 213727623104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213727623143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1915609 + ... + 2024107.

It is an arithmetic number, because the mean of its divisors is an integer number (6064065000).

Almost surely, 2^213727623142 is an apocalyptic number.

213727623142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213727623142 is a deficient number, since it is larger than the sum of its proper divisors (174372536858).

213727623142 is a wasteful number, since it uses less digits than its factorization.

213727623142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108781.

The product of its digits is 169344, while the sum is 40.

The spelling of 213727623142 in words is "two hundred thirteen billion, seven hundred twenty-seven million, six hundred twenty-three thousand, one hundred forty-two".