23501003434 has 16 divisors (see below), whose sum is σ = 36847971648. Its totient is φ = 11220118272.

The previous prime is 23501003399. The next prime is 23501003437. The reversal of 23501003434 is 43430010532.

It is a junction number, because it is equal to n+sod(n) for n = 23501003399 and 23501003408.

It is not an unprimeable number, because it can be changed into a prime (23501003437) 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, 416172 + ... + 469255.

It is an arithmetic number, because the mean of its divisors is an integer number (2302998228).

Almost surely, 2^23501003434 is an apocalyptic number.

23501003434 is a deficient number, since it is larger than the sum of its proper divisors (13346968214).

23501003434 is a wasteful number, since it uses less digits than its factorization.

23501003434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886029.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 23501003434 its reverse (43430010532), we get a palindrome (66931013966).

The spelling of 23501003434 in words is "twenty-three billion, five hundred one million, three thousand, four hundred thirty-four".