1012235523 has 32 divisors (see below), whose sum is σ = 1497619200. Its totient is φ = 604195200.

The previous prime is 1012235519. The next prime is 1012235527. The reversal of 1012235523 is 3255322101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1012235519) and next prime (1012235527).

It is not a de Polignac number, because 1012235523 - 2² = 1012235519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012235493 and 1012235502.

It is not an unprimeable number, because it can be changed into a prime (1012235527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 247848 + ... + 251898.

It is an arithmetic number, because the mean of its divisors is an integer number (46800600).

Almost surely, 2^1012235523 is an apocalyptic number.

1012235523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1012235523 is a deficient number, since it is larger than the sum of its proper divisors (485383677).

1012235523 is a wasteful number, since it uses less digits than its factorization.

1012235523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4259.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1012235523 is about 31815.6490268547. The cubic root of 1012235523 is about 1004.0619855991.

Adding to 1012235523 its reverse (3255322101), we get a palindrome (4267557624).

The spelling of 1012235523 in words is "one billion, twelve million, two hundred thirty-five thousand, five hundred twenty-three".