23141391 has 64 divisors (see below), whose sum is σ = 40857600. Its totient is φ = 11321856.

The previous prime is 23141389. The next prime is 23141401. The reversal of 23141391 is 19314132.

It is not a de Polignac number, because 23141391 - 2¹ = 23141389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23141311) 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 63 ways as a sum of consecutive naturals, for example, 292890 + ... + 292968.

It is an arithmetic number, because the mean of its divisors is an integer number (638400).

Almost surely, 2^23141391 is an apocalyptic number.

23141391 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23141391 is a deficient number, since it is larger than the sum of its proper divisors (17716209).

23141391 is a wasteful number, since it uses less digits than its factorization.

23141391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168.

The product of its digits is 648, while the sum is 24.

The square root of 23141391 is about 4810.5499685587. The cubic root of 23141391 is about 284.9682574681.

It can be divided in two parts, 23141 and 391, that added together give a palindrome (23532).

The spelling of 23141391 in words is "twenty-three million, one hundred forty-one thousand, three hundred ninety-one".