123413437442 has 8 divisors (see below), whose sum is σ = 185129848956. Its totient is φ = 61703487792.

The previous prime is 123413437363. The next prime is 123413437457. The reversal of 123413437442 is 244734314321.

It can be written as a sum of positive squares in 2 ways, for example, as 119141638561 + 4271798881 = 345169^2 + 65359^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 123413437396 and 123413437405.

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, 1567433 + ... + 1644284.

Almost surely, 2^123413437442 is an apocalyptic number.

123413437442 is a deficient number, since it is larger than the sum of its proper divisors (61716411514).

123413437442 is a wasteful number, since it uses less digits than its factorization.

123413437442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3230932.

The product of its digits is 193536, while the sum is 38.

The spelling of 123413437442 in words is "one hundred twenty-three billion, four hundred thirteen million, four hundred thirty-seven thousand, four hundred forty-two".