123412149974 has 4 divisors (see below), whose sum is σ = 185118224964. Its totient is φ = 61706074986.

The previous prime is 123412149967. The next prime is 123412149979. The reversal of 123412149974 is 479941214321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 479941214321 = 1481 ⋅324065641.

It is a super-2 number, since 2×123412149974² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123412149979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30853037492 + ... + 30853037495.

It is an arithmetic number, because the mean of its divisors is an integer number (46279556241).

Almost surely, 2^123412149974 is an apocalyptic number.

123412149974 is a deficient number, since it is larger than the sum of its proper divisors (61706074990).

123412149974 is an equidigital number, since it uses as much as digits as its factorization.

123412149974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61706074989.

The product of its digits is 435456, while the sum is 47.

The spelling of 123412149974 in words is "one hundred twenty-three billion, four hundred twelve million, one hundred forty-nine thousand, nine hundred seventy-four".