723574123240331 has 4 divisors (see below), whose sum is σ = 789353588989464. Its totient is φ = 657794657491200.

The previous prime is 723574123240321. The next prime is 723574123240411. The reversal of 723574123240331 is 133042321475327.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 723574123240331 - 2¹⁰ = 723574123239307 is a prime.

It is a super-2 number, since 2×723574123240331² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (723574123240321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32889732874550 + ... + 32889732874571.

It is an arithmetic number, because the mean of its divisors is an integer number (197338397247366).

Almost surely, 2^{723574123240331} is an apocalyptic number.

723574123240331 is a deficient number, since it is larger than the sum of its proper divisors (65779465749133).

723574123240331 is a wasteful number, since it uses less digits than its factorization.

723574123240331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65779465749132.

The product of its (nonzero) digits is 2540160, while the sum is 47.

The spelling of 723574123240331 in words is "seven hundred twenty-three trillion, five hundred seventy-four billion, one hundred twenty-three million, two hundred forty thousand, three hundred thirty-one".