61523235003 has 16 divisors (see below), whose sum is σ = 87000788736. Its totient is φ = 38589054240.

The previous prime is 61523234989. The next prime is 61523235031. The reversal of 61523235003 is 30053232516.

It is not a de Polignac number, because 61523235003 - 2¹² = 61523230907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61523235073) 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, 7304325 + ... + 7312742.

It is an arithmetic number, because the mean of its divisors is an integer number (5437549296).

Almost surely, 2^61523235003 is an apocalyptic number.

61523235003 is a deficient number, since it is larger than the sum of its proper divisors (25477553733).

61523235003 is a wasteful number, since it uses less digits than its factorization.

61523235003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14617154.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 61523235003 its reverse (30053232516), we get a palindrome (91576467519).

The spelling of 61523235003 in words is "sixty-one billion, five hundred twenty-three million, two hundred thirty-five thousand, three".