23434357 has 8 divisors (see below), whose sum is σ = 24845312. Its totient is φ = 22064400.

The previous prime is 23434351. The next prime is 23434373. The reversal of 23434357 is 75343432.

23434357 is nontrivially palindromic in base 5.

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-23434357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23434351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9069 + ... + 11362.

It is an arithmetic number, because the mean of its divisors is an integer number (3105664).

Almost surely, 2^23434357 is an apocalyptic number.

It is an amenable number.

23434357 is a deficient number, since it is larger than the sum of its proper divisors (1410955).

23434357 is a wasteful number, since it uses less digits than its factorization.

23434357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20499.

The product of its digits is 30240, while the sum is 31.

The square root of 23434357 is about 4840.9045642318. The cubic root of 23434357 is about 286.1657677576.

Adding to 23434357 its reverse (75343432), we get a palindrome (98777789).

The spelling of 23434357 in words is "twenty-three million, four hundred thirty-four thousand, three hundred fifty-seven".