9012723405 has 64 divisors (see below), whose sum is σ = 16878647808. Its totient is φ = 4021355520.

The previous prime is 9012723389. The next prime is 9012723409. The reversal of 9012723405 is 5043272109.

It is not a de Polignac number, because 9012723405 - 2⁴ = 9012723389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9012723409) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1092195 + ... + 1100415.

It is an arithmetic number, because the mean of its divisors is an integer number (263728872).

Almost surely, 2^9012723405 is an apocalyptic number.

It is an amenable number.

9012723405 is a deficient number, since it is larger than the sum of its proper divisors (7865924403).

9012723405 is a wasteful number, since it uses less digits than its factorization.

9012723405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8486.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 9012723405 is about 94935.3643538592. The cubic root of 9012723405 is about 2081.0635744243.

The spelling of 9012723405 in words is "nine billion, twelve million, seven hundred twenty-three thousand, four hundred five".