1023730431 has 8 divisors (see below), whose sum is σ = 1436814720. Its totient is φ = 646566552.

The previous prime is 1023730423. The next prime is 1023730451. The reversal of 1023730431 is 1340373201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1023730431 - 2³ = 1023730423 is a prime.

It is a super-2 number, since 2×1023730431² = 2096047990710891522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023730451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8980035 + ... + 8980148.

It is an arithmetic number, because the mean of its divisors is an integer number (179601840).

Almost surely, 2^1023730431 is an apocalyptic number.

1023730431 is a deficient number, since it is larger than the sum of its proper divisors (413084289).

1023730431 is a wasteful number, since it uses less digits than its factorization.

1023730431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17960205.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 1023730431 is about 31995.7877071342. The cubic root of 1023730431 is about 1007.8483853677.

The spelling of 1023730431 in words is "one billion, twenty-three million, seven hundred thirty thousand, four hundred thirty-one".