1023099231 has 32 divisors (see below), whose sum is σ = 1755611136. Its totient is φ = 514332000.

The previous prime is 1023099229. The next prime is 1023099263. The reversal of 1023099231 is 1329903201.

It is a happy number.

It is not a de Polignac number, because 1023099231 - 2¹ = 1023099229 is a prime.

It is a super-2 number, since 2×1023099231² = 2093464072945582722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023099221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64275 + ... + 78596.

It is an arithmetic number, because the mean of its divisors is an integer number (54862848).

Almost surely, 2^1023099231 is an apocalyptic number.

1023099231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1023099231 is a deficient number, since it is larger than the sum of its proper divisors (732511905).

1023099231 is a wasteful number, since it uses less digits than its factorization.

1023099231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142923.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 1023099231 is about 31985.9223878256. The cubic root of 1023099231 is about 1007.6412069053.

The spelling of 1023099231 in words is "one billion, twenty-three million, ninety-nine thousand, two hundred thirty-one".