123202221134 has 4 divisors (see below), whose sum is σ = 184803331704. Its totient is φ = 61601110566.

The previous prime is 123202221067. The next prime is 123202221193. The reversal of 123202221134 is 431122202321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431122202321 = 89 ⋅4844069689.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30800555282 + ... + 30800555285.

It is an arithmetic number, because the mean of its divisors is an integer number (46200832926).

Almost surely, 2^123202221134 is an apocalyptic number.

123202221134 is a deficient number, since it is larger than the sum of its proper divisors (61601110570).

123202221134 is an equidigital number, since it uses as much as digits as its factorization.

123202221134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61601110569.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 123202221134 its reverse (431122202321), we get a palindrome (554324423455).

The spelling of 123202221134 in words is "one hundred twenty-three billion, two hundred two million, two hundred twenty-one thousand, one hundred thirty-four".