1232423401 has 4 divisors (see below), whose sum is σ = 1344461904. Its totient is φ = 1120384900.

The previous prime is 1232423371. The next prime is 1232423431. The reversal of 1232423401 is 1043242321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1232423371) and next prime (1232423431).

It is a cyclic number.

It is not a de Polignac number, because 1232423401 - 2⁵ = 1232423369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232423431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56019235 + ... + 56019256.

It is an arithmetic number, because the mean of its divisors is an integer number (336115476).

Almost surely, 2^1232423401 is an apocalyptic number.

1232423401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1232423401 is a deficient number, since it is larger than the sum of its proper divisors (112038503).

1232423401 is a wasteful number, since it uses less digits than its factorization.

1232423401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112038502.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1232423401 is about 35105.8884092114. Note that the first 3 decimals coincide. The cubic root of 1232423401 is about 1072.1444752303.

Adding to 1232423401 its reverse (1043242321), we get a palindrome (2275665722).

The spelling of 1232423401 in words is "one billion, two hundred thirty-two million, four hundred twenty-three thousand, four hundred one".