1023533132 has 24 divisors (see below), whose sum is σ = 1808970240. Its totient is φ = 506701440.

The previous prime is 1023533131. The next prime is 1023533149. The reversal of 1023533132 is 2313353201.

It is a junction number, because it is equal to n+sod(n) for n = 1023533098 and 1023533107.

It is not an unprimeable number, because it can be changed into a prime (1023533131) 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, 287282 + ... + 290822.

It is an arithmetic number, because the mean of its divisors is an integer number (75373760).

Almost surely, 2^1023533132 is an apocalyptic number.

It is an amenable number.

1023533132 is a deficient number, since it is larger than the sum of its proper divisors (785437108).

1023533132 is a wasteful number, since it uses less digits than its factorization.

1023533132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241 (or 4239 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 1023533132 is about 31992.7043558371. The cubic root of 1023533132 is about 1007.7836351665.

Adding to 1023533132 its reverse (2313353201), we get a palindrome (3336886333).

The spelling of 1023533132 in words is "one billion, twenty-three million, five hundred thirty-three thousand, one hundred thirty-two".