23143407 has 16 divisors (see below), whose sum is σ = 35361792. Its totient is φ = 13188960.

The previous prime is 23143397. The next prime is 23143423. The reversal of 23143407 is 70434132.

It is not a de Polignac number, because 23143407 - 2⁶ = 23143343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23143487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7773 + ... + 10329.

It is an arithmetic number, because the mean of its divisors is an integer number (2210112).

Almost surely, 2^23143407 is an apocalyptic number.

23143407 is a deficient number, since it is larger than the sum of its proper divisors (12218385).

23143407 is a wasteful number, since it uses less digits than its factorization.

23143407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 23143407 is about 4810.7595034464. The cubic root of 23143407 is about 284.9765323859.

Adding to 23143407 its reverse (70434132), we get a palindrome (93577539).

The spelling of 23143407 in words is "twenty-three million, one hundred forty-three thousand, four hundred seven".