123354785962 has 16 divisors (see below), whose sum is σ = 186813558792. Its totient is φ = 61084441600.

The previous prime is 123354785947. The next prime is 123354786001. The reversal of 123354785962 is 269587453321.

It is a Cunningham number, because it is equal to 351219²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 2173517641 + 121181268321 = 46621^2 + 348111^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84258 + ... + 503794.

Almost surely, 2^123354785962 is an apocalyptic number.

123354785962 is a deficient number, since it is larger than the sum of its proper divisors (63458772830).

123354785962 is a wasteful number, since it uses less digits than its factorization.

123354785962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420953.

The product of its digits is 10886400, while the sum is 55.

The spelling of 123354785962 in words is "one hundred twenty-three billion, three hundred fifty-four million, seven hundred eighty-five thousand, nine hundred sixty-two".