1523401104004 has 18 divisors (see below), whose sum is σ = 2886800022330. Its totient is φ = 703108201536.

The previous prime is 1523401103971. The next prime is 1523401104023. The reversal of 1523401104004 is 4004011043251.

It can be written as a sum of positive squares in 3 ways, for example, as 269944900 + 1523131159104 = 16430^2 + 1234152^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1523401104004.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1126775289 + ... + 1126776640.

Almost surely, 2^{1523401104004} is an apocalyptic number.

It is an amenable number.

1523401104004 is a deficient number, since it is larger than the sum of its proper divisors (1363398918326).

1523401104004 is a wasteful number, since it uses less digits than its factorization.

1523401104004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253551959 (or 2253551944 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 1523401104004 its reverse (4004011043251), we get a palindrome (5527412147255).

The spelling of 1523401104004 in words is "one trillion, five hundred twenty-three billion, four hundred one million, one hundred four thousand, four".