1233914381 has 4 divisors (see below), whose sum is σ = 1410187872. Its totient is φ = 1057640892.

The previous prime is 1233914333. The next prime is 1233914413. The reversal of 1233914381 is 1834193321.

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 not a de Polignac number, because 1233914381 - 2¹⁰ = 1233913357 is a prime.

It is a super-2 number, since 2×1233914381² = 3045089399277226322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233914681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88136735 + ... + 88136748.

It is an arithmetic number, because the mean of its divisors is an integer number (352546968).

Almost surely, 2^1233914381 is an apocalyptic number.

It is an amenable number.

1233914381 is a deficient number, since it is larger than the sum of its proper divisors (176273491).

1233914381 is an equidigital number, since it uses as much as digits as its factorization.

1233914381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176273490.

The product of its digits is 15552, while the sum is 35.

The square root of 1233914381 is about 35127.1174593077. The cubic root of 1233914381 is about 1072.5766594303.

The spelling of 1233914381 in words is "one billion, two hundred thirty-three million, nine hundred fourteen thousand, three hundred eighty-one".