1232023402 has 4 divisors (see below), whose sum is σ = 1848035106. Its totient is φ = 616011700.

The previous prime is 1232023369. The next prime is 1232023417. The reversal of 1232023402 is 2043202321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 819161641 + 412861761 = 28621^2 + 20319^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1232023402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308005849 + ... + 308005852.

Almost surely, 2^1232023402 is an apocalyptic number.

1232023402 is a deficient number, since it is larger than the sum of its proper divisors (616011704).

1232023402 is an equidigital number, since it uses as much as digits as its factorization.

1232023402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616011703.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1232023402 is about 35100.1909111617. The cubic root of 1232023402 is about 1072.0284698805.

Adding to 1232023402 its reverse (2043202321), we get a palindrome (3275225723).

The spelling of 1232023402 in words is "one billion, two hundred thirty-two million, twenty-three thousand, four hundred two".