61233111623 has 8 divisors (see below), whose sum is σ = 64383175296. Its totient is φ = 58123694200.

The previous prime is 61233111619. The next prime is 61233111647. The reversal of 61233111623 is 32611133216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61233111623 - 2² = 61233111619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61233111523) 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, 10158473 + ... + 10164498.

It is an arithmetic number, because the mean of its divisors is an integer number (8047896912).

Almost surely, 2^61233111623 is an apocalyptic number.

61233111623 is a deficient number, since it is larger than the sum of its proper divisors (3150063673).

61233111623 is a wasteful number, since it uses less digits than its factorization.

61233111623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20323125.

The product of its digits is 3888, while the sum is 29.

Adding to 61233111623 its reverse (32611133216), we get a palindrome (93844244839).

The spelling of 61233111623 in words is "sixty-one billion, two hundred thirty-three million, one hundred eleven thousand, six hundred twenty-three".