123420374 has 32 divisors (see below), whose sum is σ = 244394496. Its totient is φ = 45256320.

The previous prime is 123420347. The next prime is 123420383. The reversal of 123420374 is 473024321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20954 + ... + 26189.

It is an arithmetic number, because the mean of its divisors is an integer number (7637328).

Almost surely, 2^123420374 is an apocalyptic number.

123420374 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

123420374 is a deficient number, since it is larger than the sum of its proper divisors (120974122).

123420374 is a wasteful number, since it uses less digits than its factorization.

123420374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47180.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 123420374 is about 11109.4722646938. The cubic root of 123420374 is about 497.8848972974.

Adding to 123420374 its reverse (473024321), we get a palindrome (596444695).

The spelling of 123420374 in words is "one hundred twenty-three million, four hundred twenty thousand, three hundred seventy-four".