123315332022442 has 16 divisors (see below), whose sum is σ = 211397862356352. Its totient is φ = 52849390430160.

The previous prime is 123315332022433. The next prime is 123315332022521. The reversal of 123315332022442 is 244220233513321.

It is a super-2 number, since 2×123315332022442² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27785467 + ... + 31916497.

It is an arithmetic number, because the mean of its divisors is an integer number (13212366397272).

Almost surely, 2^{123315332022442} is an apocalyptic number.

123315332022442 is a deficient number, since it is larger than the sum of its proper divisors (88082530333910).

123315332022442 is a wasteful number, since it uses less digits than its factorization.

123315332022442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6263253.

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 123315332022442 its reverse (244220233513321), we get a palindrome (367535565535763).

The spelling of 123315332022442 in words is "one hundred twenty-three trillion, three hundred fifteen billion, three hundred thirty-two million, twenty-two thousand, four hundred forty-two".