15423315034 has 4 divisors (see below), whose sum is σ = 23134972554. Its totient is φ = 7711657516.

The previous prime is 15423315029. The next prime is 15423315041. The reversal of 15423315034 is 43051332451.

15423315034 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43051332451 = 126961 ⋅339091.

It can be written as a sum of positive squares in only one way, i.e., 9715059225 + 5708255809 = 98565^2 + 75553^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15423314987 and 15423315005.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3855828757 + ... + 3855828760.

Almost surely, 2^15423315034 is an apocalyptic number.

15423315034 is a deficient number, since it is larger than the sum of its proper divisors (7711657520).

15423315034 is an equidigital number, since it uses as much as digits as its factorization.

15423315034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7711657519.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 15423315034 its reverse (43051332451), we get a palindrome (58474647485).

The spelling of 15423315034 in words is "fifteen billion, four hundred twenty-three million, three hundred fifteen thousand, thirty-four".