123413772573 has 24 divisors (see below), whose sum is σ = 219402263808. Its totient is φ = 65097374112.

The previous prime is 123413772553. The next prime is 123413772583. The reversal of 123413772573 is 375277314321.

123413772573 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 1 + 3 + 7 + 72 + 573 = 666.

It is not a de Polignac number, because 123413772573 - 2¹³ = 123413764381 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123413772553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75343365 + ... + 75345002.

It is an arithmetic number, because the mean of its divisors is an integer number (9141760992).

Almost surely, 2^123413772573 is an apocalyptic number.

123413772573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

123413772573 is a deficient number, since it is larger than the sum of its proper divisors (95988491235).

123413772573 is a wasteful number, since it uses less digits than its factorization.

123413772573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150688393 (or 150688390 counting only the distinct ones).

The product of its digits is 740880, while the sum is 45.

The spelling of 123413772573 in words is "one hundred twenty-three billion, four hundred thirteen million, seven hundred seventy-two thousand, five hundred seventy-three".