1236772423 has 8 divisors (see below), whose sum is σ = 1314396720. Its totient is φ = 1159689600.

The previous prime is 1236772409. The next prime is 1236772451. The reversal of 1236772423 is 3242776321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1236772423 - 2²⁵ = 1203217991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1236772723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130653 + ... + 139798.

It is an arithmetic number, because the mean of its divisors is an integer number (164299590).

Almost surely, 2^1236772423 is an apocalyptic number.

1236772423 is a deficient number, since it is larger than the sum of its proper divisors (77624297).

1236772423 is a wasteful number, since it uses less digits than its factorization.

1236772423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270737.

The product of its digits is 84672, while the sum is 37.

The square root of 1236772423 is about 35167.7753490322. The cubic root of 1236772423 is about 1073.4041359125.

The spelling of 1236772423 in words is "one billion, two hundred thirty-six million, seven hundred seventy-two thousand, four hundred twenty-three".