1023232501 has 6 divisors (see below), whose sum is σ = 1026321302. Its totient is φ = 1020147240.

The previous prime is 1023232489. The next prime is 1023232513. The reversal of 1023232501 is 1052323201.

It is an interprime number because it is at equal distance from previous prime (1023232489) and next prime (1023232513).

It can be written as a sum of positive squares in only one way, i.e., 546858225 + 476374276 = 23385^2 + 21826^2 .

It is not a de Polignac number, because 1023232501 - 2¹⁹ = 1022708213 is a prime.

It is a super-2 number, since 2×1023232501² = 2094009502205430002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023232801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 655560 + ... + 657118.

Almost surely, 2^1023232501 is an apocalyptic number.

It is an amenable number.

1023232501 is a deficient number, since it is larger than the sum of its proper divisors (3088801).

1023232501 is an frugal number, since it uses more digits than its factorization.

1023232501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3539 (or 1980 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1023232501 is about 31988.0055802171. The cubic root of 1023232501 is about 1007.6849571461.

Adding to 1023232501 its reverse (1052323201), we get a palindrome (2075555702).

The spelling of 1023232501 in words is "one billion, twenty-three million, two hundred thirty-two thousand, five hundred one".