123026142455292 has 48 divisors (see below), whose sum is σ = 287550262416032. Its totient is φ = 40938824908800.

The previous prime is 123026142455287. The next prime is 123026142455299. The reversal of 123026142455292 is 292554241620321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123026142455299) 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, 184965948 + ... + 185629884.

Almost surely, 2^{123026142455292} is an apocalyptic number.

123026142455292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123026142455292 is an abundant number, since it is smaller than the sum of its proper divisors (164524119960740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123026142455292 is a wasteful number, since it uses less digits than its factorization.

123026142455292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690238 (or 690236 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 123026142455292 in words is "one hundred twenty-three trillion, twenty-six billion, one hundred forty-two million, four hundred fifty-five thousand, two hundred ninety-two".