123242374 has 4 divisors (see below), whose sum is σ = 184863564. Its totient is φ = 61621186.

The previous prime is 123242369. The next prime is 123242393. The reversal of 123242374 is 473242321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 473242321 = 37 ⋅12790333.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30810592 + ... + 30810595.

It is an arithmetic number, because the mean of its divisors is an integer number (46215891).

Almost surely, 2^123242374 is an apocalyptic number.

123242374 is a deficient number, since it is larger than the sum of its proper divisors (61621190).

123242374 is an equidigital number, since it uses as much as digits as its factorization.

123242374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61621189.

The product of its digits is 8064, while the sum is 28.

The square root of 123242374 is about 11101.4581925079. The cubic root of 123242374 is about 497.6454280536.

Adding to 123242374 its reverse (473242321), we get a palindrome (596484695).

The spelling of 123242374 in words is "one hundred twenty-three million, two hundred forty-two thousand, three hundred seventy-four".