23140051 has 8 divisors (see below), whose sum is σ = 25590384. Its totient is φ = 20747520.

The previous prime is 23140037. The next prime is 23140067. The reversal of 23140051 is 15004132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23140051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23143051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13606 + ... + 15211.

It is an arithmetic number, because the mean of its divisors is an integer number (3198798).

Almost surely, 2^23140051 is an apocalyptic number.

23140051 is a deficient number, since it is larger than the sum of its proper divisors (2450333).

23140051 is a wasteful number, since it uses less digits than its factorization.

23140051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28901.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 23140051 is about 4810.4106893279. The cubic root of 23140051 is about 284.9627570089.

Adding to 23140051 its reverse (15004132), we get a palindrome (38144183).

The spelling of 23140051 in words is "twenty-three million, one hundred forty thousand, fifty-one".