123873742 has 8 divisors (see below), whose sum is σ = 187147800. Its totient is φ = 61491144.

The previous prime is 123873733. The next prime is 123873767. The reversal of 123873742 is 247378321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222517 + ... + 223072.

It is an arithmetic number, because the mean of its divisors is an integer number (23393475).

Almost surely, 2^123873742 is an apocalyptic number.

123873742 is a deficient number, since it is larger than the sum of its proper divisors (63274058).

123873742 is a wasteful number, since it uses less digits than its factorization.

123873742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445730.

The product of its digits is 56448, while the sum is 37.

The square root of 123873742 is about 11129.8581302728. The cubic root of 123873742 is about 498.4937898850.

It can be divided in two parts, 12387 and 3742, that added together give a square (16129 = 127²).

The spelling of 123873742 in words is "one hundred twenty-three million, eight hundred seventy-three thousand, seven hundred forty-two".